JPS52470A - System for measuring contact resistance - Google Patents
System for measuring contact resistanceInfo
- Publication number
- JPS52470A JPS52470A JP50075725A JP7572575A JPS52470A JP S52470 A JPS52470 A JP S52470A JP 50075725 A JP50075725 A JP 50075725A JP 7572575 A JP7572575 A JP 7572575A JP S52470 A JPS52470 A JP S52470A
- Authority
- JP
- Japan
- Prior art keywords
- contact resistance
- measuring contact
- braching
- duringthe
- factories
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
PURPOSE: To measure the contact resistance at braching points of bus bar wiring in factories and buildings utilizing ultrasonic waves, and to enable the measurement of contact resistance duringthe connection operation of non-coated conductors.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50075725A JPS52470A (en) | 1975-06-23 | 1975-06-23 | System for measuring contact resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50075725A JPS52470A (en) | 1975-06-23 | 1975-06-23 | System for measuring contact resistance |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52470A true JPS52470A (en) | 1977-01-05 |
Family
ID=13584521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50075725A Pending JPS52470A (en) | 1975-06-23 | 1975-06-23 | System for measuring contact resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52470A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930444A (en) * | 1982-08-12 | 1984-02-18 | Hitachi Ltd | Method and device for thickness increase-working of pipe |
JPS5987943A (en) * | 1982-11-12 | 1984-05-21 | Hitachi Ltd | Method and device for thickening pipe material |
JPS59223115A (en) * | 1983-06-03 | 1984-12-14 | Ihara Koatsu Tsugite Kogyo Kk | Manufacture of straight pipe having thickness varied part in its pipe |
US5709490A (en) * | 1993-10-21 | 1998-01-20 | Innovative Products Nz Limited | Foot brush |
US5713130A (en) * | 1994-01-24 | 1998-02-03 | Daiwa House Industry Co., Ltd. | Partially thick-walled elongated metallic member and methods of making and connecting the same |
-
1975
- 1975-06-23 JP JP50075725A patent/JPS52470A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930444A (en) * | 1982-08-12 | 1984-02-18 | Hitachi Ltd | Method and device for thickness increase-working of pipe |
JPH027738B2 (en) * | 1982-08-12 | 1990-02-20 | Hitachi Ltd | |
JPS5987943A (en) * | 1982-11-12 | 1984-05-21 | Hitachi Ltd | Method and device for thickening pipe material |
JPH0212657B2 (en) * | 1982-11-12 | 1990-03-23 | Hitachi Ltd | |
JPS59223115A (en) * | 1983-06-03 | 1984-12-14 | Ihara Koatsu Tsugite Kogyo Kk | Manufacture of straight pipe having thickness varied part in its pipe |
US5709490A (en) * | 1993-10-21 | 1998-01-20 | Innovative Products Nz Limited | Foot brush |
US5713130A (en) * | 1994-01-24 | 1998-02-03 | Daiwa House Industry Co., Ltd. | Partially thick-walled elongated metallic member and methods of making and connecting the same |
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